<template>
  <div class="app-container">
    <div
      style="line-height: 40px; font-weight: 700; font-size: 22px; color: #a85a11; margin-left: 10px;"
    >讲师列表</div>
    <!-- 查询表单 -->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名称" />
      </el-form-item>

      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师职称">
          <el-option label="高级讲师" :value="1" />
          <el-option label="首席讲师" :value="2" />
        </el-select>
      </el-form-item>

      <el-form-item label="入驻时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>

      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-button type="success" icon="el-icon-search" @click="getList()" plain>查 询</el-button>
      <el-button type="warning" icon="el-icon-delete" @click="resetData()" plain>清 空</el-button>
    </el-form>

    <el-table
      v-loading="listLoading"
      :data="list"
      element-loading-text="数据加载中"
      border
      fit
      highlight-current-row
    >
      <el-table-column label="序 号" width="70" align="center">
        <template slot-scope="scope">{{ (page - 1)* limit + scope.$index + 1}}</template>
      </el-table-column>

      <el-table-column prop="name" label="姓 名" width="120" align="center" />

      <el-table-column label="头像"  width="80" align="center">
        <template slot-scope="scope">
            <img :src="scope.row.avatar" width="100%">
        </template>
     </el-table-column>

      <el-table-column label="头 衔" width="200" align="center">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.level === 2" type="danger">首席讲师</el-tag>
          <el-tag v-if="scope.row.level === 1" type="success">高级讲师</el-tag>
        </template>
      </el-table-column>

      <el-table-column prop="intro" label="资 历" width="300px" align="center" />

      <el-table-column label="入驻时间" width="150" align="center">
        <template slot-scope="scope">
            {{ scope.row.gmtCreate.substr(0,10) }}
        </template>
      </el-table-column>

      <el-table-column prop="sort" label="排 序" width="60" align="center" />

      <el-table-column label="操 作" width="300" align="center">
        <template slot-scope="scope">
          <router-link :to=" '/teacher/edit/' + scope.row.id ">
            <el-button 
            type="primary" 
            size="mini" 
            icon="el-icon-edit"
            >编 辑</el-button>
          </router-link>
            <el-button
              type="danger"
              size="mini"
              icon="el-icon-delete"
              @click="removeDataById(scope.row.id)"
            >删 除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding:30px 0; text-align:center;"
      layout="total,prev,pager,next,jumper"
      @current-change="getList"
    />
  </div>
</template>


<script>
// 引入并调用engineer.js文件
import teacher from "@/api/teacher/teacher";

export default {
  //写核心代码位置
  data() {
    return {
      //定义变量和初始值
      list: null, //查询之后接口返回集合
      page: 1, //当前页
      limit: 5, //每页记录数
      total: 0, //总记录数
      teacherQuery: {} //条件封装的对象
    };
  },
  created() {
    //页面渲染之前执行，调用methods定义的方法
    this.getList()
  },
  methods: {
    //创建具体的方法，调用engineers.js定义的方法
    //工程师列表的方法
    getList(page = 1) {
      this.page = page
      teacher
        .getTeacherListPage(this.page, this.limit, this.teacherQuery)
        .then((res) => {
          //res 接口返回的数据
          // console.log(res)
          this.list = res.data.rows
          this.total = res.data.total
          //   console.log(this.list);
          //   console.log(this.total);
        })
    },
    resetData() {
      //清空
      //表单输入项数据清空
      this.teacherQuery = {}

      //查询所有工程师数据
      this.getList()
    },
    removeDataById(id) {
      this.$confirm("此操作将删除该工程师的记录, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(() => {
        teacher.deletedTeacherId(id).then((res) => {
          //提示信息
          this.$message({
            type: "success",
            message: "删除成功!"
          })
          //回到列表页面
          this.getList()
        })
      })
    }
  }
}
</script>